What color is #45166B?

#45166B is a dark violet. In RGB it is rgb(69, 22, 107), and in HSL hsl(273, 66%, 25%).

Is #45166B accessible as text?

On white, #45166B has a contrast ratio of 13.29:1 (passes WCAG AA for body text); on black it is 1.58:1 (fails). For text placed on #45166B, use white for the best readability.

What is the closest Tailwind color to #45166B?

The nearest Tailwind CSS token is purple-950 (#3C0366).

What colors go well with #45166B?

#45166B pairs cleanly with neutrals — cream, taupe, charcoal and cool grays — and with its complementary #3C6A16. In UI, a softer accent is often easier to use than the exact complement. Explore the harmonies, shades, tints and ready-made palettes for #45166B below.

Is #45166B good for buttons?

#45166B works well for buttons and highlights, but use white text on #45166B — black text only reaches 1.58:1, below the 4.5:1 needed for normal-size labels.

Is #45166B the same as CSS indigo?

No — #45166B is not the CSS named color indigo, but indigo (#4B0082) is the closest CSS named color.

#45166B Color — HEX, RGB, HSL, Palette & Shades

Palettes built on #45166B

Not just a swatch — here's how #45166B works with other colors. Named schemes with #45166B in its natural role, and a note on why the supporting colors balance it.

Luxury Packaging Feature · 5 colors

Feature #45166B Anchor #141210 Accent #D99855 Secondary #2B2631 Surface #F3ECE3

Indigo carries the depth in this luxury scheme, offset by a brass accent and near-black and held together by a deep neutral and an off-white surface.

Moody Editorial Color · 5 colors

Color #45166B Anchor #2A2A2E Secondary #6E6E74 Surface #EEE5DA Accent #2A0030

Indigo adds the colour to this moody editorial scheme — charcoal and a mid-grey around it, a bone highlight, and a muted jewel accent drawn from Indigo.

Coastal Morning Lead · 5 colors

Lead #45166B Accent #A5C4C4 Surface #E9D6BF Secondary #9AA0A1 Anchor #23334B

Indigo opens this coastal palette with sea-glass and warm sand alongside it, grounded by driftwood grey and a deep-navy anchor.

Berry & Cream Lead · 5 colors

Lead #45166B Surface #F5E6D7 Anchor #5C2140 Accent #E5C2C7 Secondary #332B2F

Indigo sits between cream and a deep berry here, softened by a blush accent and grounded by charcoal.

Minimal Editorial Surface · 5 colors

Surface #F8F4EF Accent #45166B Secondary #5F536F Support #9C9088 Ink #18140F

Indigo is the single accent in this high-contrast editorial system — set on near-white paper against near-black ink, with a warm grey and a desaturated tint of Indigo carrying the quiet middle.

Build a working theme in the generator →

Color Lab

How #45166B actually behaves in design work — read from its OKLCH lightness, chroma and hue, not just its raw numbers. Ten signals to help you decide where this color earns its place.

Warmth 39/100

Neutral

Balanced temperature — flexible, sits between warm and cool schemes.

Softness 26/100

Low

Firm and assertive — carries weight and contrast.

Depth 69/100

High

Deep and grounding — anchors a layout, strong dark-mode base.

Naturalness 0/100

Very low

Reads engineered rather than organic — synthetic, digital.

Vintage feel 36/100

Low

A faint retro warmth without tipping into sepia.

Luxury 71/100

High

Restrained and premium — deep, quiet, high-end packaging and fashion.

Brand distinctiveness 53/100

Moderate

Recognisable but shares space with nearby hues.

UI accent fit 48/100

Moderate

Workable accent with care around contrast.

Surface fit 22/100

Low

Too saturated or mid-toned for big areas — keep it to accents.

Print safety 83/100

Very high

Reproduces faithfully in CMYK — safe for packaging and print.

Pairs with #45166B

For UI

For branding

For interior

For fashion

People also use #45166B with

Phthalo Blue Byzantium Dark Olive Green Gainsboro Onyx

UI roles & guardrails

Primary action Safe as a filled button with white label. AAA

Body text Passes on white at 16px and above. Pass

Large display Fine for headings 24px+ on white. Pass

Background Pair with white text at 13.3:1. Use

Subtle surface Use #DBC7EB for cards and hover fills. Tint 80

Avoid beside #60166A — the hue gap is too small to read as intentional. Clash

In real applications

Not a swatch to memorise — a color to build with. Here is #45166B at work across the surfaces designers actually ship.

Website / UI

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Dashboard

Revenue

$48.2k ▲ 12%

Brand

AVELINE

Studio

Poster

Nov 14 · 8PM

NIGHT
MARKET

Packaging

BLOOM

Botanical Wash

250 ml

Interior

Every model

Export

:root {
  --color-base: #45166B;
  --color-base-rgb: 69 22 107;
  --color-base-oklch: oklch(32.5% 0.138 304.8);
  --color-50: #F8F2FD;
  --color-100: #ECDCF9;
  --color-200: #D9BBF1;
  --color-300: #BC8DE2;
  --color-400: #9E62D0;
  --color-500: #8040B5;
  --color-600: #65388A;
  --color-700: #4A2D62;
  --color-800: #322140;
  --color-900: #1F1628;
  --color-on-base: #FFFFFF;
}

// tailwind.config.js
colors: {
  indigo: {
    50: '#F8F2FD',
    100: '#ECDCF9',
    200: '#D9BBF1',
    300: '#BC8DE2',
    400: '#9E62D0',
    500: '#8040B5',
    600: '#65388A',
    700: '#4A2D62',
    800: '#322140',
    900: '#1F1628',
  },
}

$base: #45166B;
$base-ink: #FFFFFF;
$base-50: #F8F2FD;
$base-100: #ECDCF9;
$base-200: #D9BBF1;
$base-300: #BC8DE2;
$base-400: #9E62D0;
$base-500: #8040B5;
$base-600: #65388A;
$base-700: #4A2D62;
$base-800: #322140;
$base-900: #1F1628;
$base-hover: #361155;
$base-subtle: #C9A9E2;

{
    "color": {
        "base": {
            "value": "#45166B",
            "type": "color"
        },
        "onBase": {
            "value": "#FFFFFF",
            "type": "color"
        },
        "scale": {
            "50": {
                "value": "#F8F2FD",
                "type": "color"
            },
            "100": {
                "value": "#ECDCF9",
                "type": "color"
            },
            "200": {
                "value": "#D9BBF1",
                "type": "color"
            },
            "300": {
                "value": "#BC8DE2",
                "type": "color"
            },
            "400": {
                "value": "#9E62D0",
                "type": "color"
            },
            "500": {
                "value": "#8040B5",
                "type": "color"
            },
            "600": {
                "value": "#65388A",
                "type": "color"
            },
            "700": {
                "value": "#4A2D62",
                "type": "color"
            },
            "800": {
                "value": "#322140",
                "type": "color"
            },
            "900": {
                "value": "#1F1628",
                "type": "color"
            }
        }
    }
}